US Census Data

ZIP 91731 vs ZIP 91737

A side-by-side comparison of ZIP Code 91731 and ZIP Code 91737: population, income, housing, and more.

ZIP 91731 and ZIP 91737 are ZIP Code areas in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 91731 has the higher population (28,122 vs 22,797 in ZIP 91737). ZIP 91737 has the higher median household income ($116,903 vs $60,887 in ZIP 91731). ZIP 91737 has the higher median home value ($843,500 vs $614,000 in ZIP 91731).

Population, income & housing

ZIP 91731ZIP 91737
Population28,12222,797
Median age35.8 yrs44.3 yrs
Median household income$60,887$116,903
Median home value$614,000$843,500
Median gross rent$1,583$2,263
Housing units8,8098,159
Homeownership rate35.7%70.2%
Bachelor's degree or higher15.2%41.0%
Unemployment rate6.8%7.8%

Trends (ACS 5-year, 2019–2023)

ZIP 91731ZIP 91737
Population30,222 → 28,122 (-6.9%)25,154 → 22,797 (-9.4%)
Median household income$42,293 → $60,887 (+44.0%)$106,603 → $116,903 (+9.7%)
Median home value$450,300 → $614,000 (+36.4%)$619,900 → $843,500 (+36.1%)
Median gross rent$1,201 → $1,583 (+31.8%)$1,938 → $2,263 (+16.8%)

ZIP 91731

Population
30,22228,122
Median household income
$42,293$60,887
Median home value
$450,300$614,000
Median gross rent
$1,201$1,583

ZIP 91737

Population
25,15422,797
Median household income
$106,603$116,903
Median home value
$619,900$843,500
Median gross rent
$1,938$2,263

Age & race/ethnicity

Age distribution (share)

ZIP 91731ZIP 91737
Under 56.3%5.3%
5 to 1717.8%15.2%
18 to 249.1%8.3%
25 to 3415.0%11.0%
35 to 4412.8%10.9%
45 to 5412.0%14.6%
55 to 6410.4%16.1%
65 to 749.0%11.2%
75 and over7.5%7.5%

Race & ethnicity (share)

ZIP 91731ZIP 91737
White (non-Hispanic)4.5%42.1%
Black or African American0.3%5.8%
American Indian & Alaska Native0.7%0.0%
Asian28.3%14.7%
Native Hawaiian & Pacific Islander0.6%0.1%
Some other race0.2%0.2%
Two or more races0.3%4.2%
Hispanic or Latino65.0%32.9%

Educational attainment (age 25+)

Share of adults 25+

ZIP 91731ZIP 91737
No high school diploma32.5%5.7%
High school graduate30.8%21.0%
Some college or associate's21.5%32.2%
Bachelor's degree12.1%25.7%
Graduate or professional degree3.1%15.2%

Commute to work

How workers get to work (share)

ZIP 91731ZIP 91737
Drove alone68.7%75.2%
Carpooled13.4%9.0%
Public transit4.3%0.8%
Walked3.6%0.8%
Bicycle1.5%0.0%
Worked from home7.7%10.6%
Other means0.8%3.5%

Housing

Units in structure (share)

ZIP 91731ZIP 91737
1-unit, detached44.8%77.3%
1-unit, attached7.2%1.0%
2 to 4 units7.1%4.7%
5 to 19 units10.5%5.2%
20 or more units25.0%11.8%
Mobile home & other5.4%0.1%

Poverty & households

ZIP 91731ZIP 91737
Poverty rate18.4%10.1%
Average household size3.312.89
Mean commute (minutes)3032
Median year structure built19641985

Full profiles

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ZIP 91731 vs ZIP 91737: Compare Population & Demographics | US Census Data